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Nominal Bore

Stainless Steel Nominal Bore Pipework – 304 & 316 Systems

Integraflow supplies complete nominal bore stainless steel pipework systems in 304 and 316/L grades, including pipe, fittings, flanges, valves, and supports in welded, seamless, threaded, and socket weld configurations, ideal for corrosive, and industrial environments across food, pharmaceutical, chemical, and mechanical sectors.

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Nominal Bore

DN40 (1.1/2" NB) SCHEDULE 10s STAINLESS WELDED PIPE 304
Outside Diameter (OD): 48.3mm
Wall Thickness (WT): 2.77mm (Sch10)
Material: Stainless
Grade: 304
Standards: ASTM A312
Random Length: 6 meters
Weight Per Meter: 3.68
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.

£ 67.55 67.55 GBP
DN40 (1.1/2" NB) SCHEDULE 10s STAINLESS WELDED PIPE 316
Outside Diameter (OD): 48.3mm
Wall Thickness (WT): 2.77mm (Sch10)
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meters
Weight Per Meter: 3.68
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.

£ 110.67 110.67 GBP
DN40 (1.1/2" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 304
Outside diameter (O): 127.0mm
Flange thickness (C): 17.5mm
Hub length (X): 65.0mm
Neck height (A): 48.2mm
Pitch circle diameter (K): 98.5mm
Hub base diameter (Y): 61.9mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 73.1mm
Number of bolt holes: 4
Material: 304 Stainless Steel
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Stainless Steel, RF
£ 124.81 124.81 GBP
DN40 (1.1/2" NB) SCHEDULE 40S ASA150 WELD NECK FLANGE SS 316
Outside diameter (O): 127.0mm
Flange thickness (C): 17.5mm
Hub length (X): 65.0mm
Neck height (A): 48.2mm
Pitch circle diameter (K): 98.5mm
Hub base diameter (Y): 61.9mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 73.1mm
Number of bolt holes: 4
Material: 316 Stainless Steel
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Stainless Steel, RF
£ 133.98 133.98 GBP
DN40 (1.1/2" NB) SCHEDULE 40s SEAMLESS ELBOW 90° SS 316
Outside Diameter (OD): 48.3mm
Wall Thickness (WT): 3.68mm
Material: Stainless
Grade: 316
Standards: ANSI B16.9, Schedule 40s
Radius Centre to Face: 57.1mm
Angle: 90 Degree
Ends: Buttweld
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Applications:
Water, Oil & Gas / Petrochem, Steam, Fuels, Condensate, HVAC, Marine, Water & Waste Water, Mining, Construction, Power Generation (Energy), Waste to Energy (ERF)

Alternative terminology:
Butt Weld, Weld Bends, Weld Elbow, Long Rad, 90s
Contact us for pricing 0.0 GBP
DN40 (1.1/2" NB) SCHEDULE 40s STAINLESS SEAMLESS PIPE 304
Outside Diameter (OD): 48.3mm
Wall Thickness (WT): 3.68mm (Sch40)
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meters
Weight Per Meter: 4.11
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.

Contact us for pricing 0.0 GBP
DN40 (1.1/2" NB) SCHEDULE 40s STAINLESS SEAMLESS PIPE 316
Outside Diameter (OD): 48.3mm
Wall Thickness (WT): 3.68mm
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 4.08kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 185.15 185.15 GBP
DN40 (1.1/2" NB) SCHEDULE 40s STAINLESS WELDED PIPE 304
Outside Diameter (OD): 48.3mm
Wall Thickness (WT): 3.68mm (Sch40)
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 4.11kg
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 88.69 88.69 GBP
DN40 (1.1/2" NB) SCHEDULE 40s STAINLESS WELDED PIPE 316
Outside Diameter (OD): 48.3mm
Wall Thickness (WT): 3.68mm (Sch40)
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meters
Weight Per Meter: 4.11
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.

£ 165.97 165.97 GBP
DN40 (1.1/2" NB) SCHEDULE 40s WELDED ELBOW 90° SS 316
Outside Diameter (OD): 48.3mm
Wall Thickness (WT): 3.68mm
Material: Stainless
Grade: 316
Standards: ANSI B16.9, Schedule 40s
Radius Centre to Face: 57.1mm
Angle: 90 Degree
Ends: Buttweld
Construction: Welded
Certification Available: 3.1 BS EN 10204 Material Certification

Applications:
Water, Oil & Gas / Petrochem, Steam, Fuels, Condensate, HVAC, Marine, Water & Waste Water, Mining, Construction, Power Generation (Energy), Waste to Energy (ERF)

Alternative terminology:
Butt Weld, Weld Bends, Weld Elbow, Long Rad, 90s
£ 29.40 29.4 GBP
DN40 (1.1/2" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 304
Outside diameter (O): 127.0mm
Flange thickness (C): 17.5mm
Hub length (X): 65.0mm
Neck height (A): 48.2mm
Pitch circle diameter (K): 98.5mm
Hub base diameter (Y): 61.9mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 73.1mm
Number of bolt holes: 4
Material: Stainless Steel 304
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Stainless Steel, RF
Contact us for pricing 0.0 GBP
DN40 (1.1/2" NB) SCHEDULE 80S ASA150 WELD NECK FLANGE SS 316
Outside diameter (O): 127.0mm
Flange thickness (C): 17.5mm
Hub length (X): 65.0mm
Neck height (A): 48.2mm
Pitch circle diameter (K): 98.5mm
Hub base diameter (Y): 61.9mm
Raised face height (RF): 15.5mm
Raised face diameter (R): 73.1mm
Number of bolt holes: 4
Material: Stainless Steel 316
Rating: ASA 150
Type: Weld Neck Flange (ASME B16.5)

Standards: ASME B16.5
Flange Face: Raised Face
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
WN Flange, Welding Neck, ASA150, Stainless Steel, RF
Contact us for pricing 0.0 GBP
DN40 (1.1/2" NB) SCHEDULE 80s STAINLESS SEAMLESS PIPE 304
Outside Diameter (OD): 48.3mm
Wall Thickness (WT): 5.08mm (Sch80)
Material: Stainless
Grade: 304
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 5.41kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
Contact us for pricing 0.0 GBP
DN40 (1.1/2" NB) SCHEDULE 80s STAINLESS SEAMLESS PIPE 316
Outside Diameter (OD): 48.3mm
Wall Thickness (WT): 5.08mm (Sch80)
Material: Stainless
Grade: 316
Standards: ASTM A312
Standard Length: 6 meter Random
Weight Per Meter: 5.41kg
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Note: Sold online only in 1 meter increments. Please get in touch for specific cutting requirements.
£ 322.98 322.98 GBP
DN40 (1.1/2" NB) SOCKET WELD 3PC FB BALL VALVE LEVER OP. SS 316
Threaded: 1.1/2" NB Socket Weld (SW)
Suits an outside diameter (OD) of: 48.3mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Socket Weld
Bore: Full Bore
Internals: PTFE Seals

Applications:
Water, Oil & Gas* - Heating and Plumbing, HVAC, Gasses* and Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems, Food & Beverage.

Alternative terminology:
Isolation Valve, Lever Valve, Handle Valve, Shut off Valve, Quarter 1/4 Turn
£ 205.87 205.87 GBP
DN40 (1.1/2" NB) SW 150# ELBOW 45° SS 316
Thread: 1.1/2" SW (Socket Weld)
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316
Elbow Angle: 45° (Degree)

Standards:
Nominal Bore, Socket Weld, Elbow, 45°, 45 Deg, Weldable, Low Pressure, 150 psi
£ 43.26 43.26 GBP
DN40 (1.1/2" NB) SW 150# ELBOW 90° SS 316
Thread: 1.1/2" SW (Socket Weld)
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316
Elbow Angle: 90° (Degree)

Standards:
Nominal Bore, Socket Weld, Elbow, 90°, 90 Deg, Weldable, Low Pressure, 150 psi
£ 51.80 51.8 GBP
DN40 (1.1/2" NB) SW 150# (FXF) CONE SEAT UNION SS 316
Thread: 1.1/2" SW (Socket Weld)
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316
£ 97.93 97.93 GBP
DN40 (1.1/2" NB) SW 150# EQUAL FULL SOCKET SS 316
Connection: 1.1/2" SW (Socket Weld)
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316
£ 34.37 34.37 GBP
DN40 (1.1/2" NB) SW 150# EQUAL TEE SS 316
Thread: 1½" SW (Socket Weld)
Suits an outside diameter of 48.3mm

Material: Stainless
Grade: 316

Standards:
Nominal Bore, SW (Socket Weld), Equal, Tee, Tee Piece, Weldable, Low Pressure, 150 psi
£ 68.95 68.95 GBP
DN40 (1.1/2" NB) SW 150# ROUND CAP SS 316
Thread: 1.1/2" SW (Socket Weld)
Suits an outside diameter (OD) of: 48.3mm
Material: Stainless
Grade: 316

Standards:
Nominal Bore, SW (Socket Weld), Weldable, Low Pressure, 150 psi

Alternative terminology:
SW Cap, Termination, Blanking Cap, Cap End
£ 29.26 29.26 GBP
DN40 (1.1/2" NB) SW 3000# EQUAL COUPLING SS 316
Threaded: 1.1/2" SW
Suits an outside diameter (OD) of: 48.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged Stainless
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Full Sock, Equal Socket, Coupling, Stainless Steel
£ 168.84 168.84 GBP
DN40 (1.1/2" NB) SW 3000# EQUAL TEE SS 316
Threaded: 1.1/2" SW (Socket Weld) Female
Suits an outside diameter (OD) of: 48.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Full Sock, Equal Socket, Coupling, Stainless Steel
£ 405.16 405.16 GBP
DN40 (1.1/2" NB) SW 3000# HALF COUPLING SS 316
Threaded: 1.1/2" SW (Socket Weld) Female
Suits an outside diameter (OD) of: 48.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Full Sock, Equal Half Socket, Half Coupling, Stainless Steel
£ 89.04 89.04 GBP
DN40 (1.1/2" NB) SW 3000# ROUND CAP END SS 316
Threaded: 1.1/2" SW (Socket Weld) Female
Suits an outside diameter (OD) of: 48.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Full Sock, Equal Socket, Coupling, Stainless Steel
£ 104.09 104.09 GBP
DN40 (1.1/2" NB) UN-BOSSED SPLIT BAND HANGER SS 304
Suits an outside diameter (OD) of: 48.3mm
Band width: 25mm
Band thickness: 3mm
Bolt Size: M8
Material: Stainless Steel
Grade: 304
Contact us for pricing 0.0 GBP
DN40 (1½" NB) BSPT 3000# FXF ELBOW 45° SS 316
Threaded: 1½" BSPT Female Female
Suits an outside diameter (OD) of: 48.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Full Sock, Equal Socket, Coupling, Stainless Steel
£ 337.89 337.89 GBP
DN40 (1½" NB) BSPT 3000# FXF ELBOW 90° SS 316
Threaded: 1½" BSPT Female Female
Suits an outside diameter (OD) of: 48.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Full Sock, Equal Socket, Coupling, Stainless Steel
£ 418.60 418.6 GBP
DN40 (1½" NB) NPT 3000# FXF ELBOW 45° SS 316
Threaded: 1½" NPT Female Female
Suits an outside diameter (OD) of: 48.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Full Sock, Equal Socket, Coupling, Stainless Steel
£ 337.89 337.89 GBP
DN40 (1½" NB) NPT 3000# FXF ELBOW 90° SS 316
Threaded: 1½" NPT Female Female
Suits an outside diameter (OD) of: 48.3mm
Material: Forged Stainless Steel
Grade: 316
Construction: Forged
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative terminology:
Full Sock, Equal Socket, Coupling, Stainless Steel
£ 406.07 406.07 GBP
DN40 (1½" NB) SCHEDULE 10S A403 SEAMLESS EQUAL TEE SS 304
Outside Diameter (OD): 48.3mm
Wall Thickness: 3.68mm
Centre to End: 57.2mm
Schedule: 10S
Weight: 0.92kg

Material: Stainless Steel
Material Grade: ASTM A403

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Equal Tee, LR, Welding Tee, Weldable
Contact us for pricing 0.0 GBP
DN40 (1½" NB) SCHEDULE 10S A403 SEAMLESS EQUAL TEE SS 316
Outside Diameter (OD): 48.3mm
Wall Thickness: 3.68mm
Centre to End: 57.2mm
Schedule: 10S
Weight: 0.92kg

Material: Stainless Steel
Material Grade: ASTM A403

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Equal Tee, LR, Welding Tee, Weldable
Contact us for pricing 0.0 GBP
DN40 (1½" NB) SCHEDULE 10S A403 SEAMLESS LONG RADIUS 45 DEG ELBOW SS 304
Outside Diameter (OD): 48.3mm
Wall Thickness: 2.77mm

Schedule: A403 Seamless
Weight: 0.25kg

Material: Stainless Steel
Material Grade: 304

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 45°, LR, Bend, Weldable
Contact us for pricing 0.0 GBP
DN40 (1½" NB) SCHEDULE 10S A403 SEAMLESS LONG RADIUS 45 DEG ELBOW SS 316
Outside Diameter (OD): 48.3mm
Wall Thickness: 2.77mm

Schedule: A403 Seamless
Weight: 0.25kg

Material: Stainless Steel
Material Grade: 316

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 45°, LR, Bend, Weldable
Contact us for pricing 0.0 GBP
DN40 (1½" NB) SCHEDULE 10S A403 SEAMLESS LONG RADIUS 90 DEG ELBOW SS 304
Outside Diameter (OD): 48.3mm
Wall Thickness: 2.77mm
Centre to Face: 57.1mm
Schedule: A403 Seamless
Weight: 0.4kg

Material: Stainless Steel
Material Grade: 304

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 90°, LR, Bend, Weldable
Contact us for pricing 0.0 GBP
DN40 (1½" NB) SCHEDULE 10S A403 SEAMLESS LONG RADIUS 90 DEG ELBOW SS 316
Outside Diameter (OD): 48.3mm
Wall Thickness: 2.77mm
Centre to Face: 57.1mm
Schedule: A403 Seamless
Weight: 0.4kg

Material: Stainless Steel
Material Grade: 316

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 90°, LR, Bend, Weldable
Contact us for pricing 0.0 GBP
DN40 (1½" NB) SCHEDULE 10S A403 SEAMLESS SHORT RADIUS 90 DEG ELBOW SS 304
Outside Diameter (OD): 48.3mm
Wall Thickness: 2.77mm
Centre to Face: 38.1mm
Schedule: A403 Seamless
Weight: 0.25kg

Material: Stainless Steel
Material Grade: 304

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Short Radius, 90°, SR, Bend, Weldable
Contact us for pricing 0.0 GBP
DN40 (1½" NB) SCHEDULE 10S A403 SEAMLESS SHORT RADIUS 90 DEG ELBOW SS 316
Outside Diameter (OD): 48.3mm
Wall Thickness: 2.77mm
Centre to Face: 38.1mm
Schedule: A403 Seamless
Weight: 0.25kg

Material: Stainless Steel
Material Grade: 316

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Short Radius, 90°, SR, Bend, Weldable
Contact us for pricing 0.0 GBP
DN40 (1½" NB) SCHEDULE 10S A403 WELDED EQUAL TEE SS 304
Outside Diameter (OD): 48.3mm
Wall Thickness: 3.68mm
Centre to End: 57.2mm
Schedule: 10S
Weight: 0.92kg

Material: Stainless Steel
Material Grade: ASTM A403

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Equal Tee, LR, Welding Tee, Weldable
£ 36.12 36.12 GBP
DN40 (1½" NB) SCHEDULE 10S A403 WELDED EQUAL TEE SS 316
Outside Diameter (OD): 48.3mm
Wall Thickness: 3.68mm
Centre to End: 57.2mm
Schedule: 10S
Weight: 0.92kg

Material: Stainless Steel
Material Grade: ASTM A403

Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Equal Tee, LR, Welding Tee, Weldable
£ 51.17 51.17 GBP